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IO Biotech
IOBT

Overview Fund Activity

26 hedge funds and large institutions have $25.3M invested in IO Biotech in 2025 Q2 according to their latest regulatory filings, with 6 funds opening new positions, 5 increasing their positions, 8 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
26
Holders Change
+5
Holders Change %
+23.81%
% of All Funds
0.35%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
6
Increased
5
Reduced
8
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
NA
NewEdge Advisors
Louisiana
+$33.7K
2
SAM
Sectoral Asset Management
Quebec, Canada
+$31.5K
3
CSS
Cubist Systematic Strategies
Connecticut
+$18.2K
4
Renaissance Technologies
Renaissance Technologies
New York
+$17.9K
5
TSS
Two Sigma Securities
New York
+$14.4K

Top Sellers

1
PHS
PFM Health Sciences
California
-$513K
2
DIG
Dauntless Investment Group
New Hampshire
-$496K
3
Morgan Stanley
Morgan Stanley
New York
-$189K
4
LCM
Landscape Capital Management
New Jersey
-$73.4K
5
Bank of America
Bank of America
North Carolina
-$50.7K
Name Holding Trade Value Shares
Change 		Shares
Change %
VC
1
Vivo Capital
California
$8.58M – – –
NHAS
2
Novo Holdings A/S
Denmark
$4.66M – – –
Marshall Wace
3
Marshall Wace
United Kingdom
$2.93M – – –
PHS
4
PFM Health Sciences
California
$2.74M -$513K -369,034 -16%
Bank of America
5
Bank of America
North Carolina
$2.24M -$50.7K -36,441 -2%
PBPIA
6
Pivotal bioVenture Partners Investment Advisor
California
$1.2M – – –
Morgan Stanley
7
Morgan Stanley
New York
$909K -$189K -135,783 -17%
LCM
8
Landscape Capital Management
New Jersey
$483K -$73.4K -52,826 -13%
DIG
9
Dauntless Investment Group
New Hampshire
$451K -$496K -357,057 -52%
SCM
10
Soleus Capital Management
Connecticut
$268K – – –
Renaissance Technologies
11
Renaissance Technologies
New York
$194K +$17.9K +12,900 +10%
SAM
12
Sectoral Asset Management
Quebec, Canada
$164K +$31.5K +22,691 +24%
BCM
13
Bridgeway Capital Management
Texas
$104K – – –
MG
14
Marex Group
$62.6K +$62.6K +45,000 New
Geode Capital Management
15
Geode Capital Management
Massachusetts
$46.3K – – –
XT
16
XTX Topco
Cayman Islands
$40.6K -$29.6K -21,297 -42%
Citadel Advisors
17
Citadel Advisors
Florida
$40.1K -$23.2K -16,689 -37%
Jane Street
18
Jane Street
New York
$36.1K +$3.1K +2,229 +9%
NA
19
NewEdge Advisors
Louisiana
$33.7K +$33.7K +24,217 New
Acadian Asset Management
20
Acadian Asset Management
Massachusetts
$32K -$10.3K -7,492 -24%
UBS Group
21
UBS Group
Switzerland
$18.4K +$1.26K +904 +7%
CSS
22
Cubist Systematic Strategies
Connecticut
$18.2K +$18.2K +13,096 New
TSS
23
Two Sigma Securities
New York
$14.4K +$14.4K +10,385 New
Raymond James Financial
24
Raymond James Financial
Florida
$1.39K +$1.39K +1,000 New
Citigroup
25
Citigroup
New York
$436 +$436 +314 New
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